WCVB-TV executives have banned swearing in the newsroom after the "f-bomb" made it into one of their Friday newscasts. The station broke in to carry a live press conference on University of Vermont student Michelle Gardner-Quinn, whose body had been found 15 miles from campus. After the press conference, the station replayed an edited portion of it during its 5 p.m. newscast. During that segment, as the Burlington, Vt., police chief spoke, a WCVB producer could be heard shouting the "F" word in the background. The Herald obtained and reviewed a copy of the segment. Sources say news executives fired...